What is it? The “self-powered evolution” of KV2’s successful VHD 2.21 2×21” subwoofer.

Details: Housing two newly developed 21” woofers and using new amplification technology unique to KV2 Audio, the VHD 4.21 active can power an additional passive VHD 4.21 and deliver 14kW of peak power plugged in to a standard 13A wall socket.

What is it? A major expansion to the capabilities of the Danish manufacturer’s DAD AX32 interface.

Details: The internal signal capacity of the AX32 been increased to 128 I/O channels per card slot, while its internal processing engine is now capable of providing PPM level information and level control for all 1,500 input and outputs.

And another thing… Other new features include a user-configurable cue mixer and 256 x 32 summing processing.